1328299507 has 2 divisors, whose sum is σ = 1328299508. Its totient is φ = 1328299506.

The previous prime is 1328299493. The next prime is 1328299517. The reversal of 1328299507 is 7059928231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1328299507 - 2²³ = 1319910899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1328299517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664149753 + 664149754.

It is an arithmetic number, because the mean of its divisors is an integer number (664149754).

Almost surely, 2^1328299507 is an apocalyptic number.

1328299507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328299507 is an equidigital number, since it uses as much as digits as its factorization.

1328299507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1328299507 is about 36445.8434804300. The cubic root of 1328299507 is about 1099.2555588366.

The spelling of 1328299507 in words is "one billion, three hundred twenty-eight million, two hundred ninety-nine thousand, five hundred seven".